Sodium Carbonate → 2-(4-(3-(1H-benzo[d]imidazol-2-yl)-1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-5-yl)phenyl)-2-methylpropanenitrile

HRID 1047535노트

반응식

HRID 1047535 반응식
[NH:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[C:2]1[C:10]1[C:18]2[C:13](=[CH:14][CH:15]=[C:16](Br)[CH:17]=2)[N:12]([CH:20]2[CH2:25][CH2:24][CH2:23][CH2:22][O:21]2)[N:11]=1.[C:26]([C:28]([C:31]1[CH:36]=[CH:35][C:34](B(O)O)=[CH:33][CH:32]=1)([CH3:30])[CH3:29])#[N:27].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C([O-])([O-])=O.[Na+].[Na+]>C1COCC1.C([O-])(=O)C.[Pd+2].C([O-])(=O)C>[NH:1]1[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=2[N:3]=[C:2]1[C:10]1[C:18]2[C:13](=[CH:14][CH:15]=[C:16]([C:34]3[CH:35]=[CH:36][C:31]([C:28]([CH3:30])([CH3:29])[C:26]#[N:27])=[CH:32][CH:33]=3)[CH:17]=2)[N:12]([CH:20]2[CH2:25][CH2:24][CH2:23][CH2:22][O:21]2)[N:11]=1

참가 물질

7

반응물 4

HCID 10340Sodium CarbonateHCID 11776TriphenylphosphineHCID 441193244-(2-Cyanoprop-2-yl)benzeneboronic acidHCID 1363522433-(1H-benzo[d]imidazol-2-yl)-5-bromo-1-(tetrahydro-2H-pyran-2-yl)-1H-indazole

생성물 1

HCID 1363522492-(4-(3-(1H-benzo[d]imidazol-2-yl)-1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-5-yl)phenyl)-2-methylpropanenitrile수율 30.3%

시약·촉매·용매 2

HCID 167845palladium(II) acetate촉매HCID 8028Tetrahydrofuran용매

실험 절차

3-(1H-Benzo[d]imidazol-2-yl)-5-bromo-1-(tetrahydro-2H-pyran-2-yl)-1H-indazole (20 mg, 0.050 mmol), [4-(1cyano-1-methylethyl)phenyl]boronic acid (10 mg, 0.074053 mmol) and triphenylphosphine (2 mg, 0.007 mmol) were dissolved in a mixture of THF (6 mL) and 1M Na2CO3 (aq) (10 mg, 0.094 mmol). Palladium acetate (1 mg, 0.004 mmol) was added and the solution was heated overnight at reflux. After cooling to room temperature, and the solvent was removed in vacuo. The residue was dissolved in ethyl acetate (25 mL) and washed with water (20 mL). The organic layer was separated and the aqueous layer was extracted with ethyl acetate (25 mL). The combined organic layers were washed with brine (20 mL), dried over Na2SO4, and concentrated. Purification by flash chromatography (20% ethyl acetate/hexane) afforded the title compound (7 mg). 1H NMR (400 MHz, CDCl3): δ 8.79 (s, 1H), 7.80 (bs, 1H), 7.75 (m, 2H), 7.70 (m, 1H), 7.64 (m, 1H), 7.53-7.48 (m, 3H), 7.25-7.22 (m, 2H), 5.76 (d, 1H, J=8.4 Hz), 4.06 (m, 1H), 3.77 (m, 1H), 2.55 (m, 1H), 2.10 (m, 2H), 1.73 (m, 3H), 1.72 (s, 6H).

후처리

  1. temperaturethe solution was heated overnight
  2. temperatureat reflux
  3. customthe solvent was removed in vacuo
  4. dissolutionThe residue was dissolved in ethyl acetate (25 mL)
  5. washwashed with water (20 mL)
  6. customThe organic layer was separated
  7. extractionthe aqueous layer was extracted with ethyl acetate (25 mL)
  8. washThe combined organic layers were washed with brine (20 mL)
  9. dry with materialdried over Na2SO4
  10. concentrationconcentrated
  11. customPurification by flash chromatography (20% ethyl acetate/hexane)

출처 및 근거

ORD 기록
ord-fb10d2492f824c1282d92fabf1a8236b
출처 데이터셋
uspto-grants-2013_10
특허 번호
US08569511B2

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